// Opens _blank in new window (http://www.brucelawson.co.uk)
function loadExternalLinks()
{
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors .length; i++)
	{
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
		{
			anchor.target = "_blank";
			anchor.title = (anchor.title != "") ? anchor.title+" (opens in a new window)" : "opens in a new window";
			anchor.className = (anchor.className != '') ? anchor.className+' external' : 'external';
		}
	}
}
window.onload = loadExternalLinks;

// Back to top link (http://www.maratz.com)
function backToTop()
{
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;
	if (document.documentElement)
	{
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}
	if (document.body)
	{
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollTop || 0;
	}
	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;
	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));
	window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
	if (x > 0 || y > 0)
	{
		window.setTimeout("backToTop()", 25);
	}
}